The Aventon Level 4 ADV is Aventon’s flagship commuter e-bike — a full-featured machine built around the Ultro S mid-drive motor with 100Nm of torque and an 800Wh Samsung 21700 battery. The Shimano CUES 10-speed drivetrain with E-Shifter and Autoshift technology means the bike shifts for you as conditions change. Uphill Start Assist, Hold...